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17 June 2020 Androsace albimontana (Primulaceae): une nouvelle espèce des Alpes (France, Suisse, Italie) à distinguer de A. pubescens
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Abstract

Jacquemoud, F. & D. Jordan (2020). Androsace albimontana (Primulaceae): a new species from the Alps (France, Switzerland, Italy) to be distinguished from A. pubescens. Candollea 75: 149–155. In French, English and French abstracts.

A new alpine species of the genus Androsace L. (Primulaceae), Androsace albimontana D. Jord. & Jacquemoud is described. Specimens attributed to the new taxon were until now considered by floras as being part of the high morphological and ecological variability of Androsace pubescens DC. (bi- to trifurcate vs simple trichomes, corolla mostly pink to rarely white vs white; acid, siliceous vs alkaline, calcareous substrate), a chasmophytic species growing exclusively on limestone cliffs. Morphology, habitat and ecology of the new taxon were determined in the siliceous mountain ranges of Aiguilles Rouges and Mont-Blanc (Haute-Savoie, France), and in Valais (Switzerland). Data from Italy (Monte Rosa, Valle d'Aosta, Piemonte) only provided by floras or botanical literature, will have to be subject of further field and herbarium studies. Distribution data are given, relationships with other species of Androsace subsect. Aretia (L.) Kress and the putative origin of the new taxon are discussed.

© CONSERVATOIRE ET JARDIN BOTANIQUES DE GENÈVE 2020
Fernand Jacquemoud and Denis Jordan "Androsace albimontana (Primulaceae): une nouvelle espèce des Alpes (France, Suisse, Italie) à distinguer de A. pubescens," Candollea 75(1), 149-155, (17 June 2020). https://doi.org/10.15553/c2020v751a14
Received: 13 May 2020; Accepted: 3 June 2020; Published: 17 June 2020
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